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Locust in Irish (Lócaiste): Meaning, Pronunciation, Usage

The Irish for locust is lócaiste, a masculine noun (plural lócaistí).
Updated October 2026Report a mistake

How to say “locust” in Irish

Irish:
lócaiste
English:
locust
Word type:
noun
Gender:
masculine, fourth declension
Pronunciation:
“LOH-kish-tyeh”  /ˈl̪ˠoːkəʃtʲə/
Various forms
Plural:
lócaistí (locusts)
Genitive singular:
lócaiste, an lócaiste (e.g. sciatháin an lócaiste, the locust's wings)
Genitive plural:
lócaistí, na lócaistí (e.g. plá na lócaistí, the plague of the locusts)

What does “lócaiste” mean?

locust
A large grasshopper-like insect that travels in huge swarms and destroys crops.Also: grasshopper swarm, plague of locusts.

“Lócaiste” with the article

The plural of locust in Irish is lócaistí. Here is lócaiste after the article (an t-alt), in the singular and the plural.

an lócaiste
the locust
No change after an
na lócaistí
the locusts
Plural: no change after na

“Lócaiste” in a sentence: Irish examples

Common Irish sentences using lócaiste, the Irish word for locust.

Chonaic mé lócaiste mór sa ghairdín.
I saw a big locust in the garden.
Itheann an lócaiste gach rud glas.
The locust eats everything green.
Tháinig scaoth lócaistí ar na páirceanna.
A swarm of locusts came onto the fields.
Scrios na lócaistí an barr ar fad.
The locusts destroyed the whole crop.
Tá cosa fada ag an lócaiste.
The locust has long legs.
Léamar faoi phlá lócaistí sa Bhíobla.
We read about a plague of locusts in the Bible.
Is feithid é an lócaiste.
The locust is an insect.

Other nouns in Irish

More everyday Irish nouns to learn next.

Locust in Irish: frequently asked questions

What is the Irish for locust?

The Irish for locust is lócaiste (pronounced “LOH-kish-tyeh”). It’s a masculine noun and the plural is lócaistí.

How do you pronounce lócaiste in Irish?

Lócaiste is said like “LOH-kish-tyeh” (IPA /ˈl̪ˠoːkəʃtʲə/).

What is the plural of locust in Irish?

The plural of lócaiste is lócaistí; with the article, na lócaistí means “the locusts”. The genitive plural is lócaistí, as in plá na lócaistí (the plague of the locusts).

What is the difference between lócaiste and dreoilín teaspaigh?

Dreoilín teaspaigh is the ordinary grasshopper, while lócaiste is the swarming locust known for destroying crops.

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